Sony KDS-R50XBR1 Training Manual page 19

1) Except for the Lamp LED all flash
patterns will occur on the Front Panel
Red Power/Standby LED
2) All voltage are measured prior to unit
shutdown
3) Reference Chapter 4, Pages 42 - 52 for
detailed flowchart step descriptions
LAMP LED
Flashing
Confirm that High
Voltage Lamp
connections are
secure and
undamaged
OK
Replace LAMP
Lamp Part Number
KDS-R50XBR1 – 9-308-760-0
KDS-R60XBR1 – 9-308-760-0
Problem
TVP-21
NOTES:
"High Temperature Warning"
is displayed before Shutdown
Replace
Optical Block
Yes
Go to Appendix for
Part # Tables A-1 & A-2
No Yes
Does unit still
Solved shutdown (2X)?
2005 SXRD Protection Mode
C-1
Troubleshooting Flowchart C -1
Unit Shuts OFF
RED LED
Flashing
2X Flash
Pattern
(Temperature )
for 1.5 mins. then 2X
Clear unit ventilation areas
and and confirm adequate
local room temperature
No Problem
Does unit still
shutdown (2X)? Solved
Yes
Replace
S1 & S2 Boards
(S1) A-1123-098-A
(S2) A-1123-099-A
No
Problem
Does unit still
shutdown (2X)? Solved
Replace
ASU/DSU Assembly
Go to Appendix for
Part # Tables A-1 & A-2
Troubleshooting Flowcharts
3X Flash
Pattern
(Lamp Cover & Plug)
Check Lamp &
Lamp Door is
securely seated
& undamaged
Check
T1 & T3 Boards
Lamp-Door
Switch & Lamp
Connector
Switch
Lamp and Door and
No
switches OK ?
Yes
Replace Replace T1 or T3
ASU/DSU Assembly Board(s)
Go to Appendix for (T1) A-1123-096-A
Part # Tables A-1 & A-2 (T3) A-1144-528-A
16